What is meant by the term enrichment factor?
A. The degree to which a mineral resource is concentrated in the crust.
B. The degree to which a mineral resource is found in a typical rock.
C. The amount found in a useful product.
D. The amount needed to produce a useful product.
Answer: A
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A) modified in a controlled environment B) produced close to where consumed C) sourced without use of chemicals D) response to global food industry E) none of the above
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A. cavern B. uvala C. sinkhole D. slump E. basin
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A) A boiler B) A coal washer C) A tall stack D) An air filter E) A scrubber
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A) the Red Cross B) the UN C) the World Trade Organization D) the IMF E) the World Bank